/Engine/Plugins/Runtime/GeometryProcessing/Source/DynamicMesh/Public/Polygroups/PolygroupsGenerator.h
Find Polygroups by trying to invert triangluation of a polygon mesh
bool FindSourceMeshPolygonPolygroups ( bool bRespectUVSeams, bool bRespectNormalSeams, double QuadAdjacencyWeight, double QuadMetricClamp, int MaxSearchRounds )